Forged aluminium charge pipe for N55 engines in F20/F21 M135i, F22/F23 M235i and F87 M2. Direct bolt-on replacement for OEM 13717604033 - no cutting, no welding, no compromises.
Eliminates the weak plastic OEM pipe with CNC-machined 6061-T6 alloy, powder-coated black and fitted with OEM-style O-ring flanges. Keeps your diverter valve happy and throttle response crisp.
Included water-meth boss (with plug) for future stage 2 or track-day setups
